2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.protocol.bgp.evpn.impl;
10 import io.netty.buffer.ByteBuf;
11 import io.netty.buffer.Unpooled;
12 import java.util.Collection;
13 import java.util.Collections;
14 import java.util.List;
15 import java.util.Optional;
16 import java.util.stream.Collectors;
17 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
18 import org.opendaylight.protocol.bgp.evpn.impl.nlri.EvpnNlriParser;
19 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
20 import org.opendaylight.protocol.bgp.rib.spi.AbstractRIBSupport;
21 import org.opendaylight.protocol.util.ByteArray;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.EvpnSubsequentAddressFamily;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.L2vpnAddressFamily;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.bgp.rib.rib.loc.rib.tables.routes.EvpnRoutesCase;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.bgp.rib.rib.peer.effective.rib.in.tables.routes.EvpnRoutesCaseBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.destination.EvpnDestination;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.EvpnRoutes;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.EvpnRoutesBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.evpn.routes.EvpnRoute;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.evpn.routes.EvpnRouteBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.evpn.routes.EvpnRouteKey;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.evpn._case.DestinationEvpn;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationEvpnCaseBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.evpn._case.DestinationEvpnBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.PathId;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.destination.DestinationType;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
39 import org.opendaylight.yangtools.yang.common.QName;
40 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
41 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
42 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
43 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
44 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
45 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
46 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
47 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
48 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
49 import org.slf4j.Logger;
50 import org.slf4j.LoggerFactory;
52 final class EvpnRibSupport extends AbstractRIBSupport<EvpnRoute, EvpnRouteKey> {
53 private static final EvpnRibSupport SINGLETON = new EvpnRibSupport();
54 private static final Logger LOG = LoggerFactory.getLogger(EvpnRibSupport.class);
55 private static final QName ROUTE_KEY_QNAME = QName.create(EvpnRoute.QNAME, ROUTE_KEY).intern();
56 private static final NodeIdentifier NLRI_ROUTES_LIST = NodeIdentifier.create(EvpnDestination.QNAME);
58 private EvpnRibSupport() {
59 super(EvpnRoutesCase.class, EvpnRoutes.class, EvpnRoute.class, L2vpnAddressFamily.class,
60 EvpnSubsequentAddressFamily.class, DestinationEvpn.QNAME);
63 static EvpnRibSupport getInstance() {
68 protected DestinationType buildDestination(final Collection<MapEntryNode> routes) {
69 return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.update
70 .attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationEvpnCaseBuilder()
71 .setDestinationEvpn(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn
72 .rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination
73 .evpn._case.DestinationEvpnBuilder().setEvpnDestination(extractRoutes(routes)).build()).build();
77 protected DestinationType buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
78 return new DestinationEvpnCaseBuilder().setDestinationEvpn(new DestinationEvpnBuilder()
79 .setEvpnDestination(extractRoutes(routes)).build()).build();
82 private static List<EvpnDestination> extractRoutes(final Collection<MapEntryNode> routes) {
83 return routes.stream().map(EvpnNlriParser::extractEvpnDestination).collect(Collectors.toList());
87 protected void processDestination(final DOMDataWriteTransaction tx, final YangInstanceIdentifier routesPath,
88 final ContainerNode destination, final ContainerNode attributes, final ApplyRoute function) {
89 if (destination != null) {
90 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRoutes = destination
91 .getChild(NLRI_ROUTES_LIST);
92 if (maybeRoutes.isPresent()) {
93 final DataContainerChild<? extends PathArgument, ?> routes = maybeRoutes.get();
94 if (routes instanceof UnkeyedListNode) {
95 final YangInstanceIdentifier base = routesPath.node(routesContainerIdentifier()).node(routeNid());
96 for (final UnkeyedListEntryNode e : ((UnkeyedListNode) routes).getValue()) {
97 final NodeIdentifierWithPredicates routeKey = createRouteKey(e);
98 function.apply(tx, base, routeKey, e, attributes);
101 LOG.warn("Routes {} are not a map", routes);
107 private NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode evpn) {
108 final ByteBuf buffer = Unpooled.buffer();
109 final EvpnDestination dest = EvpnNlriParser.extractRouteKeyDestination(evpn);
110 EvpnNlriParser.serializeNlri(Collections.singletonList(dest), buffer);
111 final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf =
112 evpn.getChild(routePathIdNid());
113 return PathIdUtil.createNidKey(routeQName(), ROUTE_KEY_QNAME,
114 pathIdQName(), ByteArray.encodeBase64(buffer), maybePathIdLeaf);
118 public EvpnRoute createRoute(final EvpnRoute route, final String routeKey, final long pathId,
119 final Attributes attributes) {
120 final EvpnRouteBuilder builder;
122 builder = new EvpnRouteBuilder(route);
124 builder = new EvpnRouteBuilder();
126 return builder.setKey(new EvpnRouteKey(new PathId(pathId), routeKey)).setAttributes(attributes).build();
130 public Routes emptyRoutesContainer() {
131 return new EvpnRoutesCaseBuilder().setEvpnRoutes(new EvpnRoutesBuilder().build()).build();
135 public EvpnRouteKey createRouteListKey(final long pathId, final String routeKey) {
136 return new EvpnRouteKey(new PathId(pathId), routeKey);